{port_env, [
    {"win32", "CFLAGS", "/Ox"},
    {"linux|darwin", "CFLAGS", "$CFLAGS -O2 -finline-functions"}
]}.

{port_specs, [
    {"win", "priv/esql_quote.dll",["c_src/esql_quote.c"]},
    {"priv/esql_quote.so",["c_src/esql_quote.c"]}
]}.
